Depth of Cut (inch) TURNING INSERTS P Carbon Steel · Alloy Steel (180─280HB) Stable Cutting F Finish Cutting .315 .276 HX.236 General Cutting L Light Cutting A .187 FP .157 LP.118 Unstable Cutting M Medium Cutting .079 RP.039MP R Rough Cutting 0 .004 .012 .020 .028 Feed (IPR) H Heavy Cutting Finish Cutting Light Cutting Medium Cutting Rough Cutting Heavy Cutting FP LP MP RP HX NX2525 MC6015 MC6015 MC6015 MC6025 FP LP MP RP HX MP3025 MC6015 MC6015 MC6015 MC6025 FP LP MP RP HX MC6025 MC6025 MC6025 MC6025 MC6035 Carbon Steel • Alloy Steel (EX. : AISI 1045, AISI 4140) vc : Cutting speedf: Feed NEGATIVE INSERTS ap : Depth of cut. Cutting Area Chip Breaker Grade 1st Recommendationvc (SFM)f (IPR) ap (inch) F FP NX2525 690 ─ 985 .004 ─ .010 .004 ─ .040 L LP MC6015 690 ─ 1180 .004 ─ .016 .012 ─ .079 M MP MC6015 640 ─ 1080 .007 ─ .020 .012 ─ .158 Stable Cutting R RP MC6015 605 ─ 1015 .010 ─ .024 .060 ─ .237 H HX MC6025 540 ─ 870 .020 ─ .050 .119 ─ .434 F FP MP3025 705 ─ 1080 .004 ─ .010 .004 ─ .040 L LP MC6015 690 ─ 1180 .004 ─ .016 .012 ─ .079 M MP MC6015 640 ─ 1080 .007 ─ .020 .012 ─ .158 General Cutting R RP MC6015 605 ─ 1015 .010 ─ .024 .060 ─ .237 H HX MC6025 540 ─ 870 .020 ─ .050 .119 ─ .434 F FP MC6025 755 ─ 1230 .004 ─ .010 .004 ─ .040 L LP MC6025 690 ─ 1130 .004 ─ .016 .012 ─ .079 M MP MC6025 640 ─ 1030 .007 ─ .020 .012 ─ .158 Unstable Cutting R RP MC6025 605 ─ 970 .010 ─ .024 .060 ─ .237 H HX MC6035 460 ─ 655 .020 ─ .050 .119 ─ .434 CLASSIFICATION A046 A015